indexo.dev

essystem.pl

.pl crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP 200 1947 ms crawled 2026-05-20

SE · 217.114.94.2 · AS30811 Optimizely AB

Reputation 100/100

DNS records live

NS
  • ns1.ikp.pl
  • ns2.ikp.pl
  • ns4.ikp.pl
MX
  • 10 essystem-pl.mail.protection.outlook.com
TXT
Show 4 TXT records
  • sending_domain826133=0de1a1deff01c0065419cba70756abfb88112e84920ebd03b524810472297282
  • amazonses:JHTqk9JMM2Zv6T1Cr8aE2lJgAp4+/8DLsu7xdMJMxcw=
  • knowbe4-site-verification=eb98e553ca72da00c8ac123b4ba034e2
  • MS=A19B35AE177402389871D60347E56806D0708446
Verified for
  • Apple
  • Atlassian
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:78.133.187.0/24 include:spf.protection.outlook.com include:_spf.seen.io include:spf-de.emailsignatures365.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@essystem.pl
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxaxyO7NZGUCZmOK96OaRaWZRjEbS2DMVr81+jGQ0J5Z/PP/G2XEXxb7YOFyOHvs3g1fghhpSJxcF99…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnh87uw0nvz5zXUPqsr3kuaFF9yjz54OJj+KhTsNLHUPFBbEQgW6e9eeZGcV2be2FF8HAbir9ey1Ncz…
selectors probed

Certificate (current)

WE1
from 2026-04-23 to 2026-07-22
Expires in 62 days

Full certificate history on crt.sh ↗

Linked from (1)